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Uptake kinetics of RhB-loaded PLGA NPs. Within the 24 h the mean number of internalized NPs in cardiomyocytes increases significantly and almost linearly. Results are statistically different (∗p < 0.05; ∗∗p < 0.01) for time points 1–24 h. Results are expressed as mean ± standard deviation, n = 3.
